Question

Find the Mean, median and mode of the following problem

Addy’s monthly water bills for last year are $27, $31, $30, $26, $25, $27, $37, $33, $32, $28, $26, $26. Express the formula for the mean using sigma notation and calculate the mean water bill for the year.

Answer 1

mean: 29 median: 27.5 mode: 26

Explanation:

Mean: you add all the numbers together and divide by that number (12 different #'s , you divide by 12)

Median: What is the middle number in order from least to greatest. if you have an even # add the two numbers together and divide by 2.

Mode: The most seen number (ex: there were three 26's)